39-48 ford, the 46-48 had alittle more adjustment via the double d hole in the shoes on the bottom. the earlier were anchored solid. youll have to do a search in the classifieds for these and rebuild them. all parts can be found at local parts store.
39-48 lincoln self adjusting brakes. there were two bolt paterns for these ones that bolt to the 32-36 spindles and then the larger patern. you can buy these bran new.
this guy can hook you up if you choose to go this route.